Red Seal Truck and Transport Mechanic Practice Exam

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Identify a common symptom of a failing transmission.

  1. Excessive noise

  2. Slipping gears

  3. Engine stalling

  4. Fuel leakage

The correct answer is: Slipping gears

Slipping gears is a common symptom of a failing transmission and indicates that the transmission is unable to maintain the desired gear ratio while the vehicle is in motion. This usually manifests as a noticeable change in engine RPMs without a corresponding increase in speed, or the engine revving higher while the vehicle's speed does not increase as expected. This symptom typically occurs due to several possible issues such as worn or damaged clutch plates, low transmission fluid levels, or issues with the transmission control module. Addressing slipping gears promptly is crucial, as it can lead to more severe transmission damage if not resolved. Other symptoms like excessive noise may indicate different issues, while engine stalling and fuel leakage are also associated with other vehicle systems and are not specifically indicative of transmission failure.